.row{
  width: 100%;
  box-sizing: border-box;
  .col{
    color: white;
    height: 50px;
    line-height: 50px;
    text-align: center;
    &:nth-child(odd){
      background: rgba(0, 160, 233, 0.7);
    }
    &:nth-child(even){
      background: rgba(0, 160, 233, 1);
    }
  }
}